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1989 Ford F150 5.0L Excessive Emissions, Poor Idle Quality, Surge
Gentlemen: posting for driveability tech although i have first hand knowledge of whaat hes done to [...] 5.0L truck has us stumped!!! Problem is code 42 and is verified rich running ( plugs black). EGO sensor stays flat lined at all engine speeds and o...
FIX posted 2/29/2000
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Message Closed w/FIX
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| VIN | [No VIN Available] |
| Engine | 5.0 L / 8 cyl |
| Symptoms | Excessive Emissions, Poor Idle Quality, Surge |
| Occurs | Always, Cruise, Idle |
Trouble Codes
| 42 | system always rich |
Message Closed w/FIX
Vehicle Data
1989 Ford F150
| VIN | [No VIN Available] |
| Engine | 5.0 L / 8 cyl |
| Symptoms | Excessive Emissions, Poor Idle Quality, Surge |
| Occurs | Always, Cruise, Idle |
Trouble Codes
| 42 | system always rich |
Video